Netflix
Senior
Set technical direction across Netflix's ad tech ecosystem — serving, programmatic, media planning, or platform foundations
Netflix's Ads Engineering org (Los Gatos) is looking for a senior engineer to join one of several teams — Ad Serving, Programmatic, Media Planning, Platform Foundations, Campaign Management, Inventory Forecasting, Data Clean Room, Finance, or CRM — building the in-house ad tech stack behind Netflix's ad-supported tier. The 'Software Engineer 4' level and emphasis on 'setting technical directions... making architectural decisions, and influencing partner teams' signal a senior IC expected to operate with strategic scope, not just execute tickets.
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What this interview tests
- Domain depth in one ads area (serving, identity, forecasting, campaign mgmt, etc.)
- Setting technical direction and making architectural decisions
- Cloud-based, object-oriented system design at scale
- A/B testing and experimentation
- Advertising marketplace fundamentals (campaign setup, targeting, reporting)
- Cross-team influence without direct authority
Common question themes
Describe a technical direction you set that other engineers or teams had to align to
Walk through designing an ad serving or inventory forecasting system at scale
How would you A/B test a change to an ad product and what metrics would you track
Tell me about influencing a partner team's roadmap or design without formal authority
What do you know about how programmatic advertising or OpenRTB/VAST standards work
Describe a time you had to move fast under ambiguous, high-ambition goals
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